Answer:

1 P
2 U
3 P
4 I
5 L

There are 17 possible clues that match this answer.



Definition
n. The aperture in the iris; the sight, apple, or black of the eye. See the Note under Eye, and Iris.
n. A youth or scholar of either sex under the care of an instructor or tutor.
n. A person under a guardian; a ward.
n. A boy or a girl under the age of puberty, that is, under fourteen if a male, and under twelve if a female.

Answers Like PUPIL
PLIE PEALE PELE POLLY PAULA PLEA PAL PEBBLE POLO PEEL PLY PALEO PLO PAIL PILE POLE